Free hard disk space near about 10 GB on the computer/laptop that you want to install Android.

UNetbootin (for creating bootable USB thumb drive) which you can grab from here

>> Follow the steps to install Android on you system :
Step 1: Download the version of Android-x86 ISO that’s appropriate for your hardware, and UNetbootin.

Step 2: Create a bootable USB drive using UNetbootin and the ISO image that you downloaded earlier. Simply click on the Diskimage button as shown in the screenshot below and point it towards the ISO you downloaded.